Summer is starting to unfold beautifully, but apartment dwellers might feel left out from all the<a href="http://inhabitat.com/diy-how-to-maximize-your-growing-space-with-keyhole-gardens/"> gardening that's happening around them</a>. If you have a green thumb but minimal garden space, why not create your own mini-world full of lush and beautiful plants by making your own terrarium? If you're in the southern hemisphere instead, remember that <a href="http://inhabitat.com/itsy-bitsy-bonsai-plants-grow-in-adorable-thimble-sized-ceramic-pots/">having green plants around</a> is a surefire way to keep away the winter blues, plus plants are certain to help <a href="http://inhabitat.com/how-to-fight-indoor-air-pollution-with-plants/">improve your indoor air quality</a>. <a href="http://www.nytimes.com/2010/06/03/garden/03terrarium.html?pagewanted=all" target="_blank">Terrariums</a> are easy-to-make, low-maintenance gardens, and can last almost indefinitely with minimal water. Don't believe us? We assembled seven terrariums of various shapes and sizes in a single weekend, and they're all adorable. Read on for our easy terrarium <a href="http://inhabitat.com/category/diy">DIY</a> to learn how to make your own!

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DIY Terrariums-Bridgette Meinhold

A collection of terrariums.

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DIY Terrariums-Bridgette Meinhold

Source your containers from a thrift store or even antique store, or scrounge around your house for an old jar. Even simple jelly jars or canning jars can make beautiful terrariums, and they can be left open or closed—it's totally up to you.

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DIY Terrariums-Bridgette Meinhold

Everything else can be found at your local gardening center.

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DIY Terrariums-Bridgette Meinhold

As for the plants, the sky is the limit, but generally speaking look for small (tiny) plants that you can get inside your jar and won't grow too large.

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DIY Terrariums-Bridgette Meinhold

Some plants will have multiple stems so you can break them up even further.

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DIY Terrariums-Bridgette Meinhold

To ensure that your terrarium will be successful, keep succulents and cacti together, and house fern and tropical plants together, because they require different amounts of water and soil. You'll want cactus soil for the succulents and regular old potting soil for everything else. The rocks are used as a false drainage layer, the activated charcoal helps keep the terrarium healthy, and the moss can be used for decoration or to help soak up and retain water.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 1: Prepare the container</strong></h3>
Remove any price tags or stickers from your vessel and wash both the interior and exterior thoroughly to ensure that there are no unwanted residues that could affect the health of your plants. Imagine how you want to arrange your plants inside the jar.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 2: Add your drainage layers</strong></h3>
Once the container is ready, fill the bottom with rocks or pebbles. This is to create a false drainage layer so water can settle and not flood the plant.

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DIY Terrariums-Bridgette Meinhold

The depth of rocks totally depends on the size of your container, but aim for 1/2" to 2".

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 3: Add the activated charcoal</strong></h3>
The charcoal looks exactly like what you would expect it to and it's messy. Sometimes it comes as small granules other times it comes as shards - either works. You don't need much, just enough to cover the rocks. The charcoal will improve the quality of your little world including reducing bacteria, fungi and odors.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 4: Add soil</strong></h3>
Again, cactus and succulents need a special soil compared the most other plants, so be sure to get the appropriate bag depending on which plants you're using. Add enough soil so the plants roots will have plenty of room to fit and then grown. Aim for a depth slightly greater than the height of the plant's pot.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 5: Plant</strong></h3>
Take you plant out of the pot and break up the hard soil ball until you get down to the roots. If you're breaking the plant into multiple parts, be gentle.

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DIY Terrariums-Bridgette Meinhold

You may also want to trim the roots if they are especially long. Don't worry, they'll grow back.

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DIY Terrariums-Bridgette Meinhold

Using a spoon, your fingers, the end of a brush, or even a pencil, dig a well to place your plants roots in. Add more soil around the top and compact the soil down around the base of the plant.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 6: Add accessories</strong></h3>
After you're done planting you can add little accessories like a blanket of moss (dried or living), little figurines, old toys, glass beads, shiny metal object, sticks, stones, or even a layer or rocks. This is your little work and you can put whatever you'd like in there.

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DIY Terrariums-Bridgette Meinhold

For cacti, be sure to wear gloves to avoid getting pricked.

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DIY Terrariums-Bridgette Meinhold

<h3><strong>STEP 7: Clean and water</strong></h3>
You'll likely have dirt all over the sides of the container, so wipe down both the insides and the outsides so you can enjoy the beautiful living world inside. Give the terrarium a little bit of water. Unlike most of your house plants, a terrarium doesn't need to soaked. Just a couple of shots of water should get it started.

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DIY Terrariums-Bridgette Meinhold

Over time, monitor its water needs based on how dry the soil is. For terrariums with closed lids, if water is dripping down from the top, open the lid to let some evaporate. Likewise, you may need to add more if it looks parched. You shouldn't need to water them very often.

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DIY Terrariums-Bridgette Meinhold

If leaves die or wilt, remove them from the terrarium immediately to maintain the health of the little eco system. If a whole plant dies, take it out.

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DIY Terrariums-Bridgette Meinhold

Don't place your terrarium in direct sunlight. Remember these are essentially little greenhouses and direct sunlight through the glass will trap heat and scorch the plants. Place in indirect light for best results.

DIY-Terrarium

Summer is starting to unfold beautifully, but apartment dwellers might feel left out from all the gardening that's happening around them. If you have a green thumb but minimal garden space, why not create your own mini-world full of lush and beautiful plants by making your own terrarium? If you're in the southern hemisphere instead, remember that having green plants around is a surefire way to keep away the winter blues, plus plants are certain to help improve your indoor air quality. Terrariums are easy-to-make, low-maintenance gardens, and can last almost indefinitely with minimal water. Don't believe us? We assembled seven terrariums of various shapes and sizes in a single weekend, and they're all adorable. Read on for our easy terrarium DIY to learn how to make your own!